import bpy
from bpy.utils import register_class, unregister_class
from bpy.props import (StringProperty,
                       BoolProperty,
                       FloatProperty
                       )
from bpy.types import (
                       PropertyGroup,
                       )

class quickprops(PropertyGroup):
    physics_friction: FloatProperty(
        description="Friction", 
        default=0.5,
        min=0.0, max=1.0
        )
    physics_time_scale: FloatProperty(
        description="Simulation speed",
        default=5.0, min=0.0, max=20.0
        )
    is_running_physics: BoolProperty(
        description="", 
        default=False
        )
    running_physics_calculation: BoolProperty(description="", default=False)


classes = (quickprops)

def register():
    register_class(quickprops)

def unregister():
    unregister_class(quickprops)